The world's first successful open heart surgery was performed in Chicago in 1893 by Daniel Hale Williams, one of the first black cardiologists in the country.
March 26 at 7:58 PM
Sears' mail order catalog, in 1902, included opium, marketed as a "homeopathic remedy". They also sold heroin and cocaine.
January 7 at 1:37 PM
Chicago was Home to Country's First Blood Bank
November 27 at 3:27 PM
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